[R786]

I changed a few things in my meshing geometry and all of a sudden I get this error as below when I run the surfaceExtractFeature:
Create time


Note: Feature line extraction only valid on closed manifold surfaces

Reading surfaceFeatureExtractDict

Surfaces : body.stl
Output : body
Load options : offset
Write options: writeObj=off writeVTK=off

Statistics:
Triangles : 13339855 in 1 region(s)
Vertices : 6669391
Bounding Box : (0.0980459 0.0999999 -6e-05) (7.1459 7.5 1.45325)

Constructing feature set from included angle 150
Selecting edges based purely on geometric tests: no
Killed